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Guide to the Secure Configuration of SUSE Linux Enterprise 12

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Enable the SuSEfirewall 2

    The SuSEfirewall2 service can be enabled with the following command:
    $ sudo systemctl enable SuSEfirewall2.service
    Rule Medium Severity
  • Enable DoS Protections in SuSEfirewall2

    The <code>SuSEfirewall2</code> package can be installed with the following command: <pre> $ sudo zypper install SuSEfirewall2</pre> The <code>SuSE...
    Rule Medium Severity
  • Only Allow Authorized Network Services in SuSEfirewall2

    The <code>SuSEfirewall2</code> package can be installed with the following command: <pre> $ sudo zypper install SuSEfirewall2</pre> The <code>SuSE...
    Rule Medium Severity
  • Uncomplicated Firewall (ufw)

    The Linux kernel in Ubuntu provides a packet filtering system called netfilter, and the traditional interface for manipulating netfilter are the ip...
    Group
  • Verify ufw Enabled

    The ufw service can be enabled with the following command:
    $ sudo systemctl enable ufw.service
    Rule Medium Severity
  • Uncommon Network Protocols

    The system includes support for several network protocols which are not commonly used. Although security vulnerabilities in kernel networking code ...
    Group
  • Disable DCCP Support

    The Datagram Congestion Control Protocol (DCCP) is a relatively new transport layer protocol, designed to support streaming media and telephony. T...
    Rule Medium Severity
  • Disable RDS Support

    The Reliable Datagram Sockets (RDS) protocol is a transport layer protocol designed to provide reliable high-bandwidth, low-latency communications ...
    Rule Low Severity
  • Disable TIPC Support

    The Transparent Inter-Process Communication (TIPC) protocol is designed to provide communications between nodes in a cluster. To configure the sys...
    Rule Low Severity
  • Wireless Networking

    Wireless networking, such as 802.11 (WiFi) and Bluetooth, can present a security risk to sensitive or classified systems and networks. Wireless net...
    Group
  • Disable Wireless Through Software Configuration

    If it is impossible to remove the wireless hardware from the device in question, disable as much of it as possible through software. The following ...
    Group
  • Deactivate Wireless Network Interfaces

    Deactivating wireless network interfaces should prevent normal usage of the wireless capability. <br><br> Configure the system to disable wireless...
    Rule Medium Severity
  • Disable Unused Interfaces

    Network interfaces expand the attack surface of the system. Unused interfaces are not monitored or controlled, and should be disabled. <br><br> If...
    Group
  • Transport Layer Security Support

    Support for Transport Layer Security (TLS), and its predecessor, the Secure Sockets Layer (SSL), is included in Red Hat Enterprise Linux in the Ope...
    Group
  • File Permissions and Masks

    Traditional Unix security relies heavily on file and directory permissions to prevent unauthorized users from reading or modifying files to which t...
    Group
  • Verify Permissions on Important Files and Directories

    Permissions for many files on a system must be set restrictively to ensure sensitive information is properly protected. This section discusses impo...
    Group
  • Ensure All World-Writable Directories Are Owned by root User

    All directories in local partitions which are world-writable should be owned by root. If any world-writable directories are not owned by root, this...
    Rule Medium Severity
  • Verify Group Who Owns Backup group File

    To properly set the group owner of /etc/group-, run the command:
    $ sudo chgrp root /etc/group-
    Rule Medium Severity
  • Ensure All World-Writable Directories Are Group Owned by a System Account

    All directories in local partitions which are world-writable should be group owned by root or another system account. If any world-writable directo...
    Rule Medium Severity
  • Verify that system commands directories have root as a group owner

    System commands are stored in the following directories: by default: <pre>/bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin </pre> ...
    Rule Medium Severity

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